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34946 (2286 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2034946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3057791070763098 4.5155e-08  
a 2.680197851558628 1.0659e-08 au
q 1.860649345721187 1.2379e-07 au
i 13.88908862462534 5.4489e-06 deg
node 173.6847268858767 1.4692e-05 deg
peri 220.4134896027215 1.6269e-05 deg
M 110.8237343674116 6.7639e-06 deg
tp 2458107.122899410660
(2017-Dec-19.62289941)
2.8975e-05 TDB
period 1602.686980600352
4.39
9.5609e-06
2.618e-08
d
yr
n .2246227768476333 1.34e-09 deg/d
Q 3.49974635739607 1.3919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1382  
   data-arc span      17576 days (48.12 yr)  
   first obs. used      1971-03-25  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48371  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:52:55  

Additional Information
 Earth MOID = .886094 au 
 Jupiter MOID = 2.02212 au 
 T_jup = 3.268 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO385036  
diameter diameter 5.028 km 0.412 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.255 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.176   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

34946 (2286 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2286 T-1 = 1993 FJ80 = 1995 SG54 = 1999 NY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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